![]() ![]() ![]() In 1943, no fewer than 17 shipyards in the United States were building Liberty ships for the war effort. The technique the President was referring to was undoubtedly submerged arc welding, which was capable of joining steel plate as much as 20 times faster than any other welding process at that time.Īs the war progressed, new shipyards opened. The letter read in part, "Here there had been developed a welding technique which enables us to construct standard merchant ships with a speed unequaled in the history of merchant shipping." The importance of welding was emphasized early in the war when President Roosevelt sent a letter to Prime Minister Winston Churchill, who is said to have read it aloud to the members of Britain's House of Commons. At this time in shipbuilding history, welding was replacing riveting as the main method of assembly. ![]() Through 1945, some 5171 vessels of all types were constructed to American Bureau of Shipping (ABS) class during the Maritime Commission wartime shipbuilding program. shipbuilding were during World War II when 2710 Liberty ships, 531 Victory ships and 525 T-2 tankers were built for the war effort. Blockbuster Events Welding's vital part in major American historical events ![]()
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